Koiwai Jima

Welcome to Koiwai Jima, a Temperate island in the Seto Naikai or Inland Sea, part of the majestic Pacific Ocean. This guide offers a comprehensive overview of what makes Koiwai Jima unique – from its geography and climate to its population, infrastructure, and beyond. Dive into the details:

• Geography and Size: Explore the island’s size and location.
• Climate and Weather: Weather patterns and temperature.
• Topography and Nature: Uncover the natural wonders of the island.
• Infrastructure and Travelling: Insights on reaching, staying, and making the most of your visit.
• News and Headlines: Latest News.

Geography and size of Koiwai Jima

Size: 0.507 km²
Coastline: 3.3 km
Ocean: Pacific Ocean
Sea: Seto Naikai or Inland Sea
Continent: Asia

Koiwai Jima is a Tiny Island spanning 0.507 km² with a coastline of 3.3 km.

Archipel: Japan – An East Asian archipelago comprising four main islands and numerous smaller ones, known for its rich history, technological advances, and distinct culture.

Tectonic Plate: Amur – A minor tectonic plate in the region of the Amur River at the border of Russia and China, involved in complex interactions with the Pacific and Eurasian plates.

The geographic heart of the island is pinpointed at these coordinates:
Latitude: 33.79096964 / Longitude: 131.93521695

Climate and weather of Koiwai Jima

Climate Zone: Temperate
Climate Details: Humid Subtropical Climate
Temperature: Hot Summer

Climate Characteristics: With continuous rainfall and hot summers, this climate is common in some coastal regions, supporting diverse vegetation.

Topography and nature of Koiwai Jima

Timezone: UTC+09:00
Timezone places: Asia/Tokyo
Max. Elevation: 29 m
Mean Elevation: 15 m
Vegetation: Evergreen Broadleaf Forest
Tree Coverage: 82%

The mean elevation is 15 m. The highest elevation on the island reaches approximately 29 meters above sea level. The island is characterized by Plains: Flat, low-lying lands characterized by a maximum elevation of up to 200 meters. On islands, plains are typically coastal lowlands or central flat areas.

Dominating Vegetation: Evergreen Broadleaf Forest
Characterized by dense, lush canopies of broadleaf trees that retain their leaves year-round. These forests are typically found in tropical and subtropical regions and are known for their high biodiversity. Koiwai Jima has a tree cover of 82 %.

Vegetation: 4 vegetation zones – Diverse Island
Four distinct vegetation zones mark these islands as ecologically diverse. They might feature varied landscapes such as forests, beaches, grasslands, and rocky areas. Such diversity reflects the island’s complex ecological interactions and varied habitats, which can support a rich array of wildlife and plant species.

Infrastructure and Travelling to Koiwai Jima

Does the island have a public airport? no.
There is no public and scheduled airport on Koiwai Jima. The nearest airport is Oita Airport, located 41 km away.

Does the island have a major port? no.
There are no major ports on Koiwai Jima. The closest major port is HIKARI, approximately 17 km away.

The mean population of Koiwai Jima is 88 per km². Koiwai Jima is Gently Populated. The island belongs to Japan.

Continuing your journey, Kasado Shima is the next notable island, situated merely km away.

Japan is classified as Developed region: G7: Group of Seven – Major advanced economies, including Canada, France, Germany, Italy, Japan, the United Kingdom, and the United States. The level of income is High income: OECD.

News – Latest Updates and Headlines from Koiwai Jima

Stay informed with the most recent news and important headlines from Koiwai Jima. Here’s a roundup of the latest developments.

Please note: The data used here has been primarily extracted from satellite readings. Deviations from exact values may occur, particularly regarding the height of elevations and population density. Land area and coastline measurements refer to average values at mean high tide.